{"product_id":"the-embryology-of-the-echiuroid-worm-urechis-caupo","title":"The Embryology of the Echiuroid Worm Urechis Caupo","description":"xv, 219 pp. Includes 85 figures and 4 tables. Includes: Preface and Acknowledgments; Introduction; Reproductive System and Germ Cells of Urechis; Material and Methods Used in the Embryological Investigation; Development of Urechis; Gastrulation and Shifting of Embryonic Areas and Axes; Organogenesis; Comparison of the Development of Urechis with that of Other Echiuroids; Comparison of Echiuroid Development with that of Other Invertebrates; The Phylogenetic Position of the Echiuroidea; Bibliography.","brand":"The American Philosophical Society","offers":[{"title":"Default Title","offer_id":41575309574214,"sku":"2343753","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1232\/9510\/files\/2343753.jpg?v=1714653497","url":"https:\/\/ym-demo.myshopify.com\/products\/the-embryology-of-the-echiuroid-worm-urechis-caupo","provider":"Yesterday's Muse","version":"1.0","type":"link"}